Question

Решите уравнение
cos(x/2+π/3)=-√3/2

Answer 1

Ответ:

$cos( frac{x}{2} + frac{pi}{3} ) = - frac{ sqrt{3} }{2} \ frac{x}{2} + frac{pi}{3} = + - frac{pi}{6} + 2pi times n \ frac{x}{2} = + - frac{pi}{6} - frac{pi}{3} + 2pi times n \ x = + - frac{pi}{3} - frac{2pi}{3} + 4pi times n$